Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 6.67% 10% 8.33% 5% 6.67% 10% 8.33% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 260 V. 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate and precise. accurate and direct reading. precise. accurate. accurate and precise. accurate and direct reading. precise. accurate. ANSWER DOWNLOAD EXAMIANS APP
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